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Large-scale point cloud generated from 3D sensors is more accurate than its image-based counterpart. However, it is seldom used in visual pose estimation due to the difficulty in obtaining 2D-3D image to point cloud correspondences. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Mengdan Feng , Sixing Hu , Marcelo Ang , Gim Hee Lee

Although orientation has proven to be a key skill of soccer players in order to succeed in a broad spectrum of plays, body orientation is a yet-little-explored area in sports analytics' research. Despite being an inherently ambiguous…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Adrià Arbués-Sangüesa , Adrián Martín , Javier Fernández , Carlos Rodríguez , Gloria Haro , Coloma Ballester

Fourier ptychography captures intensity images with varying source patterns (illumination angles) in order to computationally reconstruct large space-bandwidth-product images. Accurate knowledge of the illumination angles is necessary for…

Signal Processing · Electrical Eng. & Systems 2018-11-01 Regina Eckert , Zachary F. Phillips , Laura Waller

Recently, multi-sensors fusion has achieved significant progress in the field of automobility to improve navigation and position performance. As the prerequisite of the fusion algorithm, the demand for the extrinsic calibration of…

Robotics · Computer Science 2022-09-27 Hou lanhua

The performance of a camera network monitoring a set of targets depends crucially on the configuration of the cameras. In this paper, we investigate the reconfiguration strategy for the parameterized camera network model, with which the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Xuechao Zhang , Xuda Ding , Yi Ren , Yu Zheng , Chongrong Fang , Jianping He

Designing robust activity detectors for fixed camera surveillance video requires knowledge of the 3-D scene. This paper presents an automatic camera calibration process that provides a mechanism to reason about the spatial proximity between…

Computer Vision and Pattern Recognition · Computer Science 2019-06-07 Robert Wagner , Daniel Crispell , Patrick Feeney , Joe Mundy

Despite the success in 6D pose estimation in bin-picking scenarios, existing methods still struggle to produce accurate prediction results for symmetry objects and real world scenarios. The primary bottlenecks include 1) the ambiguity…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Ding-Tao Huang , En-Te Lin , Lipeng Chen , Li-Fu Liu , Long Zeng

The bio-inspired event camera has garnered extensive research attention in recent years, owing to its significant potential derived from its high dynamic range and low latency characteristics. Similar to the standard camera, the event…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Shuolong Chen , Xingxing Li , Liu Yuan , Ziao Liu

In this work, we present an effective multi-view approach to closed-loop end-to-end learning of precise manipulation tasks that are 3D in nature. Our method learns to accomplish these tasks using multiple statically placed but uncalibrated…

Robotics · Computer Science 2021-04-02 Iretiayo Akinola , Jacob Varley , Dmitry Kalashnikov

We present a new approach for a single view, image-based object pose estimation. Specifically, the problem of culling false positives among several pose proposal estimates is addressed in this paper. Our proposed approach targets the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Kartik Gupta , Lars Petersson , Richard Hartley

High-precision camera re-localization technology in a pre-established 3D environment map is the basis for many tasks, such as Augmented Reality, Robotics and Autonomous Driving. The point-based visual re-localization approaches are…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Shuang Gao , Jixiang Wan , Yishan Ping , Xudong Zhang , Shuzhou Dong , Yuchen Yang , Haikuan Ning , Jijunnan Li , Yandong Guo

This paper studies sensor calibration in spectral estimation where the true frequencies are located on a continuous domain. We consider a uniform array of sensors that collects measurements whose spectrum is composed of a finite number of…

Information Theory · Computer Science 2019-01-15 Yonina C. Eldar , Wenjing Liao , Sui Tang

Recent progress in the automated driving system (ADS) and advanced driver assistant system (ADAS) has shown that the combined use of 3D light detection and ranging (LiDAR) and the camera is essential for an intelligent vehicle to perceive…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Yecheng Lyu , Lin Bai , Mahdi Elhousni , Xinming Huang

Calibration is an essential prerequisite for the accurate data fusion of LiDAR and camera sensors. Traditional calibration techniques often require specific targets or suitable scenes to obtain reliable 2D-3D correspondences. To tackle the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Shujuan Huang , Chunyu Lin , Yao Zhao

We present a novel learned keypoint detection method designed to maximize the number of correct matches for the task of non-rigid image correspondence. Our training framework uses true correspondences, obtained by matching annotated image…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Welerson Melo , Guilherme Potje , Felipe Cadar , Renato Martins , Erickson R. Nascimento

In many scenarios where cameras are applied, such as robot positioning and unmanned driving, camera calibration is one of the most important pre-work. The interactive calibration method based on the plane board is becoming popular in camera…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Wentai Lei , Mengdi Xu , Feifei Hou , Wensi Jiang

Camera calibration is a process of paramount importance in computer vision applications that require accurate quantitative measurements. The popular method developed by Zhang relies on the use of a large number of images of a planar grid of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Katia Genovese

Estimating the 6-DoF pose of a camera from a single image relative to a pre-computed 3D point-set is an important task for many computer vision applications. Perspective-n-Point (PnP) solvers are routinely used for camera pose estimation,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-28 Dylan Campbell , Lars Petersson , Laurent Kneip , Hongdong Li

The proliferation of Deep Neural Networks has resulted in machine learning systems becoming increasingly more present in various real-world applications. Consequently, there is a growing demand for highly reliable models in many domains,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Pedro Conde , Rui L. Lopes , Cristiano Premebida

In the field of deep learning based computer vision, the development of deep object detection has led to unique paradigms (e.g., two-stage or set-based) and architectures (e.g., Faster-RCNN or DETR) which enable outstanding performance on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Denis Huseljic , Marek Herde , Mehmet Muejde , Bernhard Sick
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